ATL: IDA - Remnants - Discussion

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wx98
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Re: ATL: IDA - Hurricane - Discussion

#3101 Postby wx98 » Sat Aug 28, 2021 11:51 pm

Extrap 954, FL winds 110 kt. We have a Cat 3.
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Re: ATL: IDA - Hurricane - Discussion

#3102 Postby CrazyC83 » Sat Aug 28, 2021 11:51 pm

Since the NE quad has not been sampled, I would at least go with 100 kt here. Pressure looks to be about 954.

I think we might see a Tropical Cyclone Update. A special advisory would not be needed as this was already forecasted.
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Re: ATL: IDA - Hurricane - Discussion

#3103 Postby MarioProtVI » Sat Aug 28, 2021 11:52 pm

Loop Current OHC did its work…and this is only the SE side. Definitely a major now especially considering what’s probably in the NE quad
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Re: ATL: IDA - Hurricane - Discussion

#3104 Postby Kazmit » Sat Aug 28, 2021 11:52 pm

Probably enough to support 100kts, but winds are likely even higher in the NE quadrant.
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Re: ATL: IDA - Hurricane - Discussion

#3105 Postby supercane4867 » Sat Aug 28, 2021 11:52 pm

Winds in the NE eyewall likely exceed 100kts now. We will see what next pass find.
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Re: ATL: IDA - Hurricane - Discussion

#3106 Postby Highteeld » Sat Aug 28, 2021 11:53 pm

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Very useful information on the Dvorak Technique --

https://severe.worldweather.wmo.int/TCF ... kBeven.pdf

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Re: ATL: IDA - Hurricane - Discussion

#3107 Postby LSU2001 » Sat Aug 28, 2021 11:53 pm

954 mb pressure extrapolated. Still gonna wait for the VDM but that is a pretty good fall since the last mission.
Tim
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Re: ATL: IDA - Hurricane - Discussion

#3108 Postby Hypercane_Kyle » Sat Aug 28, 2021 11:53 pm

954mb. Winds 94 knots but that's in the SE quad. NE quad is likely at major hurricane status.

EDIT: Funny to see six independent posts coming to the same conclusion, lol.
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Re: ATL: IDA - Hurricane - Discussion

#3109 Postby ColdMiser123 » Sat Aug 28, 2021 11:54 pm

954 mb extrap, appears the pressure has dropped around ~10-12 mb in about 4 hours, so the ~2-3 mb/hr rate looks to have continued.

110 kt FL wind in the SE quad. Likely even higher in the NE quad. Winds finally catching up, and should support a Cat 3 at 2 am.
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Re: ATL: IDA - Hurricane - Discussion

#3110 Postby tolakram » Sat Aug 28, 2021 11:54 pm

Small wobble
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Re: ATL: IDA - Hurricane - Discussion

#3111 Postby Teban54 » Sat Aug 28, 2021 11:54 pm

Correct me if I'm wrong, but the last eye pass from the previous recon was at 00:32Z with a pressure of 967 mb. This pass has 954 mb at 04:43Z. That's a deepening rate of 3.10 mb/hr.
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Re: ATL: IDA - Hurricane - Discussion

#3112 Postby tolakram » Sat Aug 28, 2021 11:56 pm

So far pressure is almost exactly as the most recent run of the HWRF predicted. HWRF has been all over the place, but most recent run in the shorter time frame seems to be accurate.
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Re: ATL: IDA - Hurricane - Discussion

#3113 Postby jasons2k » Sat Aug 28, 2021 11:57 pm

If I lived south of I-10/I-12 I would get out while I could. Time is running out. I am very worried about levee breaches.
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Re: ATL: IDA - Hurricane - Discussion

#3114 Postby tolakram » Sat Aug 28, 2021 11:57 pm

Image
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Re: ATL: IDA - Hurricane - Discussion

#3115 Postby AZRainman » Sat Aug 28, 2021 11:58 pm

Wow, Cat IV at landfall....stay safe!

Image
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Re: ATL: IDA - Hurricane - Discussion

#3116 Postby Stormybajan » Sat Aug 28, 2021 11:58 pm

Looks like major hurricane status has been achieved but that pressure of 954 is impressive! Thats rough 3mb/hour :eek: who knows whats in the NE quadrant maybe 120?
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Re: ATL: IDA - Hurricane - Discussion - RECON in route

#3117 Postby Craters » Sat Aug 28, 2021 11:58 pm

tailgater wrote:
LARanger wrote:
Clearcloudz wrote:Current NHC Track zoomed in to show areas that will be impacted. If I'm in New Orleans I'm biting my nails.

https://i.imgur.com/N7stIa7.jpg


Frak me, I can't "see my house from here" because the line covers it up.

Me too, I had to go look outside to see it,; )

Did you look up to see if you could see the line, Tailgater?
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Re: ATL: IDA - Hurricane - Discussion

#3118 Postby tarheelprogrammer » Sat Aug 28, 2021 11:59 pm

NE quad is prob in the 115 knot range
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Re: ATL: IDA - Hurricane - Discussion

#3119 Postby shah83 » Sun Aug 29, 2021 12:00 am

tolakram wrote:So far pressure is almost exactly as the most recent run of the HWRF predicted. HWRF has been all over the place, but most recent run in the shorter time frame seems to be accurate.


That's the 18z HWRF. the 00z HWRF is second guessing itself...
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Re: ATL: IDA - Hurricane - Discussion

#3120 Postby Kazmit » Sun Aug 29, 2021 12:01 am

Going to bed now. If current deepening rates continue, I’ll wake up to a ~935 mb cat 4. :roll:
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